Year	% change from 1990
1991	6.11272209604248
1992	26.0552980109726
1993	-0.165450042166781
1994	4.03706135629329
1995	-3.55653991257355
1996	-9.12461955070828
1997	40.2643141274275
1998	56.4268452456288
1999	2.29352233206108
2000	-9.34519957047517
2001	-17.9225716963732
2002	13.622643333899
2003	19.1222477179966
2004	3.61615792842502
2005	21.6368448728747
2006	17.0004452143827
2007	18.7857816325023
2008	-2.79236501032094
2009	-16.3698666318569
2010	13.9833542490863
2011	30.9034045598993
2012	31.4043167127402